Manuscripts
A -- Miscellaneous
- Description
Giorgio Abetti (5); Adler Planetarium (3); Aircraft Radio Laboratory, War Department (2); Allegheny Ludlum Steel Corp. (5); American Association of Scientific Workers (2); American Astronomical Society [Joel Stebbins] (1); "American Defense" [California Institute, Huntington Library, Mount Wilson Observatory Group] (1); American Geophysical Union [Charles Franklin Brooks, letter re C. G. Abbot's proposal --includes carbons of letters from: Helmut Landsberg, Larry F. Page, Harlan True Stetson, Homer Woodworth Clough, & Chaim Leib Pekeris] (10); American Peoples Encyclopedia (11); Clifford Norman Anderson [includes typed manuscript "A Representation of the Sunspot Cycle", copy letter from John Adam Fleming, & copy typed ms. "Solar Radiation and Geomagnetism," by J. Bartels] (6); L. E. Armfield (2); Betty June Arnold (2); Astronomical Society of the Pacific (2); L. d'Azambuja (1)
- Date
- 1938-1946
- Call number
- mssPettit papers
- Creator
- Pettit, Edison (1889-1962)
